AD820AR - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD820AR
Manufacturer

ADI
ChipWorker Part#

CW14375926
Category

Operational Amplifier, OP Amp IC
Package

SOIC-8
Description

ANALOG DEVICES AD820AR Operational Amplifier, Single, 1 Amplifier, 1.9MHz, 3V/µs, ± 2.5V to ± 15V, NSOIC, 8Pins
Documentation

Datasheet

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AD820AR Specifications

Attribute	Attribute Value

Part Number	AD820AR
Manufacturer	ADI
ChipWorker Part#	CW14375926
Category	Operational Amplifier, OP Amp IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Supply Current	700 µA
Number of Circuits	1 Circuit
Number of Channels	1 Channel
Power Dissipation	1000 mW
Common Mode Rejection Ratio	66 dB
Input Capacitance	2.80 pF
Bandwidth	1.9 MHz
Slew Rate	3.00 µV/μs
Gain Bandwidth Product	1.8 MHz
Input Impedance	10.0 TΩ
Input Offset Voltage	400 µV
Input Bias Current	2 pA
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
3dB Bandwidth	1.9 MHz
Gain Bandwidth	1.8 MHz
Power Dissipation (Max)	1000 mW
Minimum CMRR Range	66 dB
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Size-Length	5 mm
Size-Width	4 mm
Size-Height	1.5 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	Non-Compliant
Lead-Free Status	Contains Lead
Mil-Spec	No
REACH SVHC Compliance Edition	2015/12/17

Product Description

Product Details
The AD820 is a precision, low power FET input op amp that can operate from a single supply of 5 V to 36 V, or dual supplies of ±2.5 V to ±18 V. It has true single-supply capability, with an input voltage range extending below the negative rail, allowing the AD820 to accommodate input signals below ground in the single-supply mode. Output voltage swing extends to within 10 mV of each rail, providing the maximum output dynamic range.
Offset voltage of 800 μV maximum, offset voltage drift of 2 μV/°C, typical input bias currents below 25 pA, and low input voltage noise provide dc precision with source impedances up to 1 GΩ. 1.8 MHz unity gain bandwidth, −93 dB THD at 10 kHz, and 3 V/μs slew rate are provided for a low supply current of 800 μA. The AD820 drives up to 350 pF of direct capacitive load and provides a minimum output current of 15 mA. This allows the amplifier to handle a wide range of load conditions. This combination of ac and dc performance, plus the outstanding load drive capability, results in an exceptionally versatile amplifier for the single-supply user.
The AD820 is available in two performance grades. The A and B grades are rated over the industrial temperature range of −40°C to +85°C. The AD820 is offered in three 8-lead package options: plastic DIP (PDIP), surface mount (SOIC) and (MSOP).
**Applications**
* Battery-powered precision instrumentation
* Photodiode preamps
* Active filters
* 12-bit to 14-bit data acquisition systems
* Medical instrumentation
* Low power references and regulators
Data Sheet, Rev. F, 11/08
### Features and Benefits
True single-supply operation
Output swings rail-to-rail
Input voltage range extends below ground
Single-supply capability from 5 V to 36 V
Dual-supply capability from ±2.5 V to ±18 V
Excellent load drive
Capacitive load drive up to 350 pF
Minimum output current of 15 mA
Excellent ac performance for low power
800 μA maximum quiescent current
Unity-gain bandwidth: 1.8 MHz
Slew rate of 3 V/μs
Excellent dc performance
800 μV maximum input offset voltage
2 μV/°C typical offset voltage drift
25 pA maximum input bias current
Low noise: 13 nV/√Hz @ 10 kHz

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